Stirring device for preparing fosfomycin tromethamine

Abstract

The utility model provides a stirring device for preparing fosfomycin tromethamine, and particularly relates to the technical field of pharmaceutical production, a motor for driving is arranged at the upper end of a tank body, a stirring shaft is arranged in the tank body, the upper end of the stirring shaft is connected with a driving shaft of the motor, and the stirring shaft is formed by combining a first rotating shaft, a second rotating shaft, a third rotating shaft and a fourth rotating shaft; the upper end of the first rotating shaft is connected with a driving shaft of the motor; guide grooves are formed in the upper ends of the second rotating shaft, the third rotating shaft and the fourth rotating shaft; guide shafts are arranged at the lower ends of the second rotating shaft, the third rotating shaft and the fourth rotating shaft; the cross sections of the guide groove and the guide shaft are regular triangles or regular quadrangles or regular hexagons, the guide shaft is embedded into the guide groove, and the first rotating shaft, the second rotating shaft, the third rotating shaft and the fourth rotating shaft are sequentially connected end to end; and connecting gaps among the first rotating shaft, the second rotating shaft, the third rotating shaft and the fourth rotating shaft are enclosed by the hoop. The stirring device is convenient to adjust to meet different types of stirring requirements.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of pharmaceutical production, concretely relates to a stirring device for fosfomycin trometamol preparation. BACKGROUND

[0002] When fosfomycin trometamol is produced and prepared, the raw materials need to be mixed uniformly, and a stirring tank is generally used for mixing operation, the existing stirring tank generally comprises a tank body, a stirring device is arranged in the tank body to mix, the existing stirring device generally comprises a stirring shaft, the stirring shaft is rotated to drive a paddle to realize mixing, but the existing stirring shaft is generally a shaft body with a fixed length, and different stirring shafts of different types need to be matched for different stirring depths, different tank bodies and different requirements, and the applicability is poor.

[0003] In view of the above problems, a stirring device for fosfomycin trometamol preparation is needed to adjust and meet different types of stirring requirements. INNOVATION CONTENT

[0004] The utility model aims at providing a stirring device for fosfomycin trometamol preparation, which is convenient to adjust and meets different types of stirring requirements.

[0005] The utility model provides the following technical scheme:

[0006] A stirring device for fosfomycin trometamol preparation, comprising a tank body, a motor for driving is arranged on the upper end of the tank body, a stirring shaft is arranged in the tank body, the upper end of the stirring shaft is connected with the driving shaft of the motor,

[0007] The stirring shaft is composed of a first rotating shaft, a second rotating shaft, a third rotating shaft and a fourth rotating shaft;

[0008] The upper end of the first rotating shaft is connected with the driving shaft of the motor, and the lower end of the first rotating shaft is provided with a guide shaft; the upper ends of the second rotating shaft, the third rotating shaft and the fourth rotating shaft are provided with guide grooves; the lower ends of the second rotating shaft, the third rotating shaft and the fourth rotating shaft are also provided with guide shafts;

[0009] The guide grooves and the guide shafts are in the shape of an equilateral triangle, a square or a hexagon in cross section, the guide shafts are embedded in the guide grooves, and the first rotating shaft, the second rotating shaft, the third rotating shaft and the fourth rotating shaft are sequentially connected end to end.

[0010] Further comprising a clamp, the clamp encloses the connecting gap between the first rotating shaft, the second rotating shaft, the third rotating shaft and the fourth rotating shaft.

[0011] Preferably, the clamp comprises a first clamp and a second clamp, the first clamp and the second clamp are provided with connecting ears at two ends, and the connecting ears are fixed by bolts.

[0012] Preferably, the first clamp and the second clamp are respectively provided with two connecting ears at the ends.

[0013] Preferably, the connecting ears and the first and second clamps are integrally formed.

[0014] Preferably, the first, second, third and fourth rotating shafts are hexagonal in cross section, and the first and second clamps are shaped to match the outer shape of the first, second, third and fourth rotating shafts.

[0015] Preferably, the inner side walls of the first and second clamps are each provided with two limiting blocks, and the end side surfaces of the first, second, third and fourth rotating shafts are provided with limiting grooves matching the limiting blocks.

[0016] Preferably, the limiting blocks are cuboid in structure, and the limiting blocks and the first and second clamps are integrally formed.

[0017] Preferably, the outer side walls of the first and second clamps are welded with paddles.

[0018] Preferably, the outer periphery of the lower end of the fourth rotating shaft group is provided with a rolling bearing, and the outer periphery of the rolling bearing is provided with a plurality of supporting rods, one end of each supporting rod is connected to the outer side wall of the rolling bearing, and the other end of each supporting rod is connected to the inner side wall of the tank body.

[0019] The present application has the following advantages:

[0020] 1. The device can freely combine the length of the stirring shaft, thereby realizing adjustment to meet different types of stirring requirements.

[0021] 2. The device can effectively ensure the firmness of the combination between the shaft bodies and the stability of the transmission through the cooperation of the clamps and the polygonal structure between the shaft bodies. DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used together with the embodiments of the present application to explain the present application, and do not constitute a limitation on the present application. In the drawings:

[0023] Fig. 1 is a schematic view of the overall structure;

[0024] Fig. 2 is an exploded view of the device;

[0025] Fig. 3 is a clamp structure view;

[0026] As shown in the figure, 1 is a tank body; 2 is a motor; 3 is a paddle; 4 is a first rotating shaft; 5 is a second rotating shaft; 6 is a third rotating shaft; 7 is a fourth rotating shaft; 8 is a clamp; 9 is a first clamp; 10 is a second clamp; 11 is a limiting block; 12 is a connecting lug; 13 is a guide shaft; 14 is a guide groove; 15 is a limiting groove; 16 is a rolling bearing; 17 is a supporting rod. DETAILED DESCRIPTION

[0027] Example 1

[0028] As Figs. 1-3 A stirring device for preparing fosfomycin trometamol, comprising a tank body 1, the upper end of the tank body 1 is provided with a motor 2 for driving, the tank body 1 is provided with a stirring shaft, the upper end of the stirring shaft is connected with the driving shaft of the motor 2, the paddle 3 of the stirring shaft is driven by the motor 2, thereby realizing the stirring and mixing function, the structure principle related to the above connection driving is the prior art, and will not be described in detail; Different from the prior art, the stirring shaft of the device is composed of a first rotating shaft 4, a second rotating shaft 5, a third rotating shaft 6 and a fourth rotating shaft 7.

[0029] The upper end of the first rotating shaft 4 is connected with the driving shaft of the motor 2, realizing the power transmission of the motor 2; wherein the lower end of the first rotating shaft 4 is provided with a guide shaft 13 which is integrally formed with the first rotating shaft 4; the upper end of the second rotating shaft 5, the third rotating shaft 6 and the fourth rotating shaft 7 is provided with a guide groove 14; the lower end of the second rotating shaft 5, the third rotating shaft 6 and the fourth rotating shaft 7 is also provided with an integrally formed guide shaft 13; and the guide groove 14 and the guide shaft 13 are in the shape of an equilateral triangle or an equilateral quadrilateral or an equilateral hexagon, preferably an equilateral hexagon, for specific reference, see the structure of the figure; Fig. 2 The guide shaft 13 is embedded in the guide groove 14, and the first rotating shaft 4, the second rotating shaft 5, the third rotating shaft 6 and the fourth rotating shaft 7 are sequentially and end-to-end connected to form a stirring shaft; by freely combining the number of rotating shafts, the length of the guide shaft 13 can be changed.

[0030] The equilateral hexagonal guide groove 14 and the guide shaft 13 facilitate the power transmission of the motor 2; in order to ensure the stability of the connection, a clamp 8 is also provided, which encloses the connection gap between the first rotating shaft 4, the second rotating shaft 5, the third rotating shaft 6 and the fourth rotating shaft 7, thereby improving the stability of the connection; in order to ensure the firmness of the connection and facilitate disassembly, the clamp 8 comprises a first clamp 9 and a second clamp 10, the two ends of the first clamp 9 and the second clamp 10 are provided with connecting lugs 12, the connecting lugs 12 are fixed by bolts, thereby fastening the first clamp 9 and the second clamp 10, and the bolts facilitate disassembly; at the same time, the first clamp 9 and the second clamp 10 are respectively provided with two connecting lugs 13 at the end portion, thereby improving the firmness of the connection. In order to improve the strength of the device, the connecting lugs 13 and the first clamp 9 and the second clamp 10 are integrally formed.

[0031] Example 2

[0032] On the basis of embodiment 1, as Figs. 1-3 The first rotating shaft 4, the second rotating shaft 5, the third rotating shaft 6 and the fourth rotating shaft 7 are in the shape of a regular hexagon in cross section; the first clamp and the second clamp 10 match the outer shape of the first rotating shaft 4, the second rotating shaft 5, the third rotating shaft 6 and the fourth rotating shaft 7; this can improve the stability of the first clamp and the second clamp 10 and facilitate the stable transmission of the motor 2; the width of the first clamp and the second clamp 10 can be appropriately increased, thereby increasing the covering area and improving the connection stability; in order to further ensure the connection stability, the inner side walls of the first clamp 9 and the second clamp 10 are respectively provided with two limiting blocks 11; the end sides of the first rotating shaft 4, the second rotating shaft 5, the third rotating shaft 6 and the fourth rotating shaft 7 are provided with limiting grooves 15 matching the limiting blocks 11. By embedding the limiting blocks 11 in the limiting grooves 15, the connection stability can be effectively improved; the limiting blocks 11 are in the structure of a cuboid, which can increase the contact area and improve the embedding stability; and the limiting blocks 11 and the first clamp 9 and the second clamp 10 are in the structure of one-piece forming, which can improve the strength.

[0033] Embodiment 3

[0034] On the basis of embodiment 2, in order to improve the stability of the lower end of the stirring shaft, as Figs. 1-3 The fourth rotating shaft 7 is provided with a rolling bearing 16 at the lower end, and four supporting rods 17 are arranged around the rolling bearing 16; one end of each supporting rod 17 is connected to the outer side wall of the rolling bearing 16, and the other end is connected to the inner side wall of the tank body 1; the position of the rolling bearing 16 is stabilized by the supporting rods 17, and the lower end of the fourth rotating shaft 7 is supported by the rolling bearing 16, thereby improving the stability of the lower end of the stirring shaft. In order to improve the convenience of installation, the paddle 3 is welded to the outer side walls of the first clamp 9 and the second clamp 10.

[0035] The above is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A stirring device for preparing fosfomycin trometamol, comprising a tank body, a motor provided at an upper end of the tank body for driving, a stirring shaft provided in the tank body, an upper end of the stirring shaft being connected with a driving shaft of the motor, and paddles provided on an outer periphery of the stirring shaft, characterized in that: the stirring shaft is composed of a first shaft, a second shaft, a third shaft and a fourth shaft; an upper end of the first shaft is connected with the driving shaft of the motor, and a lower end of the first shaft is provided with a guide shaft; upper ends of the second shaft, the third shaft and the fourth shaft are provided with guide grooves; lower ends of the second shaft, the third shaft and the fourth shaft are also provided with guide shafts; the guide grooves and the guide shafts are in the shape of an equilateral triangle, an equilateral quadrilateral or an equilateral hexagon in cross section, the guide shafts are embedded in the guide grooves, and the first shaft, the second shaft, the third shaft and the fourth shaft are sequentially connected end to end; the device further comprises a clamp, which encloses a connecting gap between the first shaft, the second shaft, the third shaft and the fourth shaft.

2. The clamp comprises a first clamp and a second clamp, and connecting ears are provided at two ends of the first clamp and the second clamp, and the connecting ears are fixed by bolts.

3. The first clamp and the second clamp are respectively provided with two connecting ears at the ends.

4. The connecting ears are integrally formed with the first clamp and the second clamp.

5. The first shaft, the second shaft, the third shaft and the fourth shaft are in the shape of an equilateral hexagon in cross section, and the first clamp and the second clamp are matched with the outer shapes of the first shaft, the second shaft, the third shaft and the fourth shaft.

2. A furling device for the preparation of fosfomycin trometamol according to claim 1, characterized by the fact that:

6. The inner side walls of the first clamp and the second clamp are respectively provided with two limiting blocks, and the end sides of the first shaft, the second shaft, the third shaft and the fourth shaft are provided with limiting grooves matched with the limiting blocks.

3. A furbid device for the preparation of fosfomycin trometamol according to claim 2, characterized in that:

7. The limiting blocks are in the shape of a cuboid, and the limiting blocks are integrally formed with the first clamp and the second clamp.

4. A fosfomycin trometamol preparation stirring device according to claim 3, characterized in that:

8. The outer side walls of the first clamp and the second clamp are welded with the paddles.

5. A furling device for the preparation of fosfomycin trometamol according to claim 4, characterized by the fact that:

9. A rolling bearing is provided on an outer periphery of a lower end of the fourth shaft, and supporting rods are arranged in a ring around the rolling bearing, one end of each supporting rod is connected with the outer side wall of the rolling bearing, and the other end of each supporting rod is connected with the inner side wall of the tank body.

6. A furosemide frusemide preparation stirring device according to claim 5, characterized in that: ​ 7. A furosemide frosemide preparation stirring device according to claim 6, characterized in that: ​ 8. A furosemide frusemide preparation stirring device according to claim 7, characterized in that: ​ 9. A furosemide frosemide preparation stirring device according to claim 1, characterized in that: ​

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